///*
// * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
// * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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//
//package com.sun.source.util;
//
//import java.io.IOException;
//
//import javax.annotation.processing.ProcessingEnvironment;
//import javax.lang.model.element.Element;
//import javax.lang.model.type.TypeMirror;
//import javax.lang.model.util.Elements;
//import javax.lang.model.util.Types;
//import javax.tools.JavaCompiler.CompilationTask;
//import javax.tools.JavaFileObject;
//
//import com.sun.source.tree.CompilationUnitTree;
//import com.sun.source.tree.Tree;
//import com.sun.tools.javac.api.BasicJavacTask;
//import com.sun.tools.javac.processing.JavacProcessingEnvironment;
//import com.sun.tools.javac.util.Context;
//
///**
// * Provides access to functionality specific to the JDK Java Compiler, javac.
// *
// * @author Peter von der Ah&eacute;
// * @author Jonathan Gibbons
// * @since 1.6
// */
//@jdk.Exported
//public abstract class JavacTask implements CompilationTask {
//
//    /**
//     * Get the {@code JavacTask} for a {@code ProcessingEnvironment}.
//     * If the compiler is being invoked using a
//     * {@link javax.tools.JavaCompiler.CompilationTask CompilationTask},
//     * then that task will be returned.
//     * @param processingEnvironment the processing environment
//     * @return the {@code JavacTask} for a {@code ProcessingEnvironment}
//     * @since 1.8
//     */
//    public static JavacTask instance(ProcessingEnvironment processingEnvironment) {
//        if (!processingEnvironment.getClass().getName().equals(
//                "com.sun.tools.javac.processing.JavacProcessingEnvironment"))
//            throw new IllegalArgumentException();
//        Context c = ((JavacProcessingEnvironment) processingEnvironment).getContext();
//        JavacTask t = c.get(JavacTask.class);
//        return (t != null) ? t : new BasicJavacTask(c, true);
//    }
//
//    /**
//     * Parse the specified files returning a list of abstract syntax trees.
//     *
//     * @return a list of abstract syntax trees
//     * @throws IOException if an unhandled I/O error occurred in the compiler.
//     * @throws IllegalStateException if the operation cannot be performed at this time.
//     */
//    public abstract Iterable<? extends CompilationUnitTree> parse()
//        throws IOException;
//
//    /**
//     * Complete all analysis.
//     *
//     * @return a list of elements that were analyzed
//     * @throws IOException if an unhandled I/O error occurred in the compiler.
//     * @throws IllegalStateException if the operation cannot be performed at this time.
//     */
//    public abstract Iterable<? extends Element> analyze() throws IOException;
//
//    /**
//     * Generate code.
//     *
//     * @return a list of files that were generated
//     * @throws IOException if an unhandled I/O error occurred in the compiler.
//     * @throws IllegalStateException if the operation cannot be performed at this time.
//     */
//    public abstract Iterable<? extends JavaFileObject> generate() throws IOException;
//
//    /**
//     * The specified listener will receive notification of events
//     * describing the progress of this compilation task.
//     *
//     * If another listener is receiving notifications as a result of a prior
//     * call of this method, then that listener will no longer receive notifications.
//     *
//     * Informally, this method is equivalent to calling {@code removeTaskListener} for
//     * any listener that has been previously set, followed by {@code addTaskListener}
//     * for the new listener.
//     *
//     * @throws IllegalStateException if the specified listener has already been added.
//     */
//    public abstract void setTaskListener(TaskListener taskListener);
//
//    /**
//     * The specified listener will receive notification of events
//     * describing the progress of this compilation task.
//     *
//     * This method may be called at any time before or during the compilation.
//     *
//     * @throws IllegalStateException if the specified listener has already been added.
//     * @since 1.8
//     */
//    public abstract void addTaskListener(TaskListener taskListener);
//
//    /**
//     * The specified listener will no longer receive notification of events
//     * describing the progress of this compilation task.
//     *
//     * This method may be called at any time before or during the compilation.
//     *
//     * @since 1.8
//     */
//    public abstract void removeTaskListener(TaskListener taskListener);
//
//    /**
//     * Get a type mirror of the tree node determined by the specified path.
//     * This method has been superceded by methods on
//     * {@link com.sun.source.util.Trees Trees}.
//     * @see com.sun.source.util.Trees#getTypeMirror
//     */
//    public abstract TypeMirror getTypeMirror(Iterable<? extends Tree> path);
//
//    /**
//     * Get a utility object for dealing with program elements.
//     */
//    public abstract Elements getElements();
//
//    /**
//     * Get a utility object for dealing with type mirrors.
//     */
//    public abstract Types getTypes();
//}
